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(parent: b4d703a) | patch
mm: prevent do_swap_page from handling page faults under VMA lock
authorSuren Baghdasaryan <surenb@google.com>
Sun, 29 May 2022 20:20:27 +0000 (13:20 -0700)
committerSuren Baghdasaryan <surenb@google.com>
Wed, 23 Nov 2022 02:09:46 +0000 (02:09 +0000)
commiteced6b36c3905aaccb003b499acf66212c28dedc
treed0019365d6935a5d858a473e84dafcb4d86dc13ftree
parentb4d703a4ff54e26419564da56207b036470c6999commit | diff
mm: prevent do_swap_page from handling page faults under VMA lock

Due to the possibility of do_swap_page dropping mmap_lock, abort fault
handling under VMA lock and retry holding mmap_lock. This can be handled
more gracefully in the future.

Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Reviewed-by: Laurent Dufour <laurent.dufour@fr.ibm.com>
mm/memory.c diff | blob | history
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